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Physico‐mechanical and Flammability Properties of Cyrtostachys renda Fibers Reinforced Phenolic Resin Bio-composites
Journal of Polymers and the Environment ( IF 5.3 ) Pub Date : 2021-04-14 , DOI: 10.1007/s10924-021-02135-0
Tamil Moli Loganathan , Mohamed Thariq Hameed Sultan , Qumrul Ahsan , Ain Umaira Md Shah , Mohammad Jawaid , Abd. Rahim Abu Talib , Adi Azriff Basri

Abstract

The aim of this study is to investigate the effect of fiber length and loading on physico-mechanical and flammability properties of Cyrtostachys renda (CR) fiber-reinforced phenolic composites. Waste based Cyrtostachys renda (CR) fiber reinforced phenolic resin derived from cashew nut shell liquid (CNSL), bio-composite has been studied. Composites with alkali treated CR fiber length in the ranges of 1.18–0.6, 0.6–0.3 and less than 0.3 mm in 20 wt% and 40 wt% based on weight of phenolic resin were prepared by hot compression. Flammability, water absorption, tensile/flexural/impact tests were carried out on the composites and also characterized by scanning electron microscope (SEM). Composite containing 40 wt% fiber of length less than 0.3 mm has the highest tensile and flexural strengths of 34.27 MPa and 65 MPa respectively. It has been found that water absorption and thickness swelling increases as weight % of fiber increases. For the Underwriters Laboratories (UL 94), all the neat phenolic and addition with CR fiber exhibited NC and H-B classifications for vertical and horizontal respectively, however Limiting Oxygen Index (LOI), of neat phenolic dropped from 29.33 to 26 and 25 for 20 wt% and 40 wt% respectively. Morphology of the tensile fractured laminates revealed that micro pores in fibers are filled with phenolic resin, hence increases the interfacial bonding between fiber and the matrix. The research findings provision that CR fiber reinforced phenolic composites is potential to be utilized as green and biodegradable composites for interior components of automotive and aviation industry.

Graphic Abstract



中文翻译:

Cyrtostachys renda纤维增强酚醛树脂生物复合材料的物理力学和易燃性

摘要

这项研究的目的是研究纤维长度和载荷对Cyrtostachys renda(CR)纤维增强酚醛复合材料的物理力学和可燃性的影响。废物基Cyrtostachys renda(CR)纤维增强的酚醛树脂,其由生物复合腰果壳液(CNSL)衍生而来。通过热压缩制备了碱处理的CR纤维长度在20%(重量)和40%(重量)的1.18-0.6、0.6-0.3和小于0.3mm的复合材料(基于酚醛树脂的重量)。在复合材料上进行了可燃性,吸水率,拉伸/弯曲/冲击试验,并且还通过扫描电子显微镜(SEM)进行了表征。包含长度小于0.3毫米的40 wt%纤维的复合材料具有最高的抗张强度和弯曲强度,分别为34.27 MPa和65 MPa。已经发现,随着纤维的重量%增加,吸水率和厚度膨胀率增加。对于美国保险商实验室(UL 94),所有纯酚醛树脂和添加CR纤维的垂直酚醛树脂和水平酚醛树脂均显示NC和HB分类,但是20 wt%和40 wt%的酚醛树脂的极限氧指数(LOI)分别从29.33降至26和25。拉伸断裂的层压材料的形态表明,纤维中的微孔充满了酚醛树脂,因此增加了纤维与基体之间的界面结合力。研究结果表明,CR纤维增强酚醛复合材料有可能被用作汽车和航空工业内部组件的绿色和可生物降解的复合材料。拉伸断裂的层压材料的形态表明,纤维中的微孔充满了酚醛树脂,因此增加了纤维与基体之间的界面结合力。研究结果表明,CR纤维增强酚醛复合材料有可能被用作汽车和航空工业内部组件的绿色和可生物降解的复合材料。拉伸断裂的层压材料的形态表明,纤维中的微孔充满了酚醛树脂,因此增加了纤维与基体之间的界面结合力。研究结果表明,CR纤维增强酚醛复合材料有可能被用作汽车和航空工业内部组件的绿色和可生物降解的复合材料。

图形摘要

更新日期:2021-04-14
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